1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
Banci, L.
Bertini, I.
Ferroni, F.
Rosato, A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
1
90.00
90.00
90.00
1.000
1.000
1.000
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C34 H32 Fe N4 O4
616.487
PROTOPORPHYRIN IX CONTAINING FE
HEME
non-polymer
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
N
N
75
S
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
C
N
80
N
C
N
81
N
O
N
82
N
N
N
83
N
O
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
N
N
95
S
C
N
96
N
C
N
97
N
O
N
98
N
C
N
99
N
C
N
100
N
C
N
101
N
O
N
102
N
O
N
103
N
O
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
N
N
114
N
C
N
115
N
C
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
C
N
124
N
C
N
125
N
C
N
126
N
C
Y
127
N
C
Y
128
N
C
Y
129
N
C
Y
130
N
C
N
131
N
C
N
132
N
C
N
133
N
C
N
134
N
C
N
135
N
O
N
136
N
O
N
137
N
C
N
138
N
C
N
139
N
C
N
140
N
C
N
141
N
C
N
142
N
C
N
143
N
C
Y
144
N
C
Y
145
N
C
Y
146
N
C
Y
147
N
C
N
148
N
C
N
149
N
C
N
150
N
C
N
151
N
C
N
152
N
C
N
153
N
C
N
154
N
C
N
155
N
C
N
156
N
C
N
157
N
C
N
158
N
C
N
159
N
O
N
160
N
O
Y
161
N
N
N
162
N
N
Y
163
N
N
N
164
N
N
N
165
N
FE
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
N
N
199
S
C
N
200
N
C
N
201
N
O
N
202
N
C
Y
203
N
C
Y
204
N
N
Y
205
N
C
Y
206
N
C
Y
207
N
N
N
208
N
O
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
N
N
220
S
C
N
221
N
C
N
222
N
O
N
223
S
C
N
224
N
C
N
225
N
C
N
226
N
C
N
227
N
O
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
N
N
242
S
C
N
243
N
C
N
244
N
O
N
245
N
C
N
246
N
C
N
247
N
C
N
248
N
C
N
249
N
O
N
250
N
H
N
251
N
H
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
N
N
264
S
C
N
265
N
C
N
266
N
O
N
267
N
C
N
268
N
C
N
269
N
C
N
270
N
C
N
271
N
N
N
272
N
O
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
H
N
280
N
H
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
N
N
289
S
C
N
290
N
C
N
291
N
O
N
292
N
C
Y
293
N
C
Y
294
N
C
Y
295
N
C
Y
296
N
C
Y
297
N
C
Y
298
N
C
N
299
N
O
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
N
N
312
S
C
N
313
N
C
N
314
N
O
N
315
N
C
N
316
N
C
N
317
N
C
N
318
N
O
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
N
N
329
S
C
N
330
N
C
N
331
N
O
N
332
N
C
N
333
N
O
N
334
N
O
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
N
N
343
S
C
N
344
N
C
N
345
N
O
N
346
R
C
N
347
N
O
N
348
N
C
N
349
N
O
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
N
N
360
S
C
N
361
N
C
N
362
N
O
N
363
N
C
Y
364
N
C
Y
365
N
C
Y
366
N
C
Y
367
N
N
Y
368
N
C
Y
369
N
C
Y
370
N
C
Y
371
N
C
Y
372
N
C
N
373
N
O
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
H
N
380
N
H
N
381
N
H
N
382
N
H
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
N
N
387
S
C
N
388
N
C
N
389
N
O
N
390
N
C
Y
391
N
C
Y
392
N
C
Y
393
N
C
Y
394
N
C
Y
395
N
C
Y
396
N
C
N
397
N
O
N
398
N
O
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
H
N
407
N
H
N
408
N
H
N
409
N
H
N
410
N
N
N
411
S
C
N
412
N
C
N
413
N
O
N
414
N
C
N
415
N
C
N
416
N
C
N
417
N
O
N
418
N
H
N
419
N
H
N
420
N
H
N
421
N
H
N
422
N
H
N
423
N
H
N
424
N
H
N
425
N
H
N
426
N
H
N
427
N
H
N
428
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
doub
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
doub
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
doub
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
doub
N
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
doub
N
118
N
sing
N
119
N
sing
N
120
N
doub
N
121
N
sing
N
122
N
sing
N
123
N
doub
N
124
N
sing
N
125
N
doub
N
126
N
sing
N
127
N
sing
Y
128
N
doub
Y
129
N
sing
Y
130
N
sing
N
131
N
sing
Y
132
N
doub
N
133
N
sing
Y
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
doub
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
doub
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
doub
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
doub
N
157
N
sing
N
158
N
sing
N
159
N
sing
Y
160
N
sing
Y
161
N
sing
Y
162
N
doub
N
163
N
sing
Y
164
N
sing
N
165
N
sing
Y
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
doub
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
doub
N
176
N
doub
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
doub
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
doub
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
Y
209
N
sing
Y
210
N
doub
Y
211
N
doub
N
212
N
sing
Y
213
N
sing
N
214
N
sing
Y
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
doub
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
sing
N
244
N
sing
N
245
N
sing
N
246
N
doub
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
doub
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
doub
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
Y
296
N
doub
Y
297
N
sing
Y
298
N
sing
N
299
N
sing
Y
300
N
doub
N
301
N
sing
Y
302
N
doub
N
303
N
sing
Y
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
doub
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
doub
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
doub
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
doub
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
Y
365
N
doub
Y
366
N
sing
Y
367
N
sing
N
368
N
sing
Y
369
N
doub
Y
370
N
sing
Y
371
N
sing
N
372
N
sing
Y
373
N
sing
Y
374
N
doub
N
375
N
sing
Y
376
N
doub
N
377
N
sing
Y
378
N
sing
N
379
N
sing
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
doub
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
Y
393
N
doub
Y
394
N
sing
Y
395
N
sing
N
396
N
sing
Y
397
N
doub
N
398
N
sing
Y
399
N
doub
N
400
N
sing
Y
401
N
sing
N
402
N
sing
N
403
N
sing
N
404
N
sing
N
405
N
sing
N
406
N
sing
N
407
N
sing
N
408
N
sing
N
409
N
sing
N
410
N
sing
N
411
N
sing
N
412
N
doub
N
413
N
sing
N
414
N
sing
N
415
N
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
N
420
N
sing
N
421
N
sing
N
422
N
sing
N
423
N
sing
IX
Eur.J.Biochem.
EJBCAI
0262
0014-2956
249
270
279
10.1111/j.1432-1033.1997.t01-1-00270.x
9363779
Solution structure of reduced microsomal rat cytochrome b5.
1997
10.2210/pdb1aqa/pdb
pdb_00001aqa
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
10813.908
CYTOCHROME B5
SOLUBLE DOMAIN
1
man
polymer
616.487
PROTOPORPHYRIN IX CONTAINING FE
1
syn
non-polymer
no
no
DKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYIIGELH
PDDRSKIAKPSETL
DKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYIIGELH
PDDRSKIAKPSETL
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Norway rat
Rattus
NM522
Escherichia
sample
CLONING VECTOR PUC13
CYTOPLASM
CYB5
10116
Rattus norvegicus
CYTOPLASM
SYNRATCYB5
562
Escherichia coli
NM522
PLASMID
PUC 13
database_2
pdbx_database_status
pdbx_nmr_software
pdbx_struct_assembly
pdbx_struct_oper_list
struct_conn
struct_site
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Other
Data collection
1
0
1997-09-17
1
1
2008-03-03
1
2
2011-07-13
1
3
2022-02-16
1
4
2024-05-22
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.process_site
_pdbx_nmr_software.name
_struct_conn.pdbx_ptnr1_PDB_ins_code
_struct_conn.pdbx_ptnr2_PDB_ins_code
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_ins_code
_struct_site.pdbx_auth_seq_id
Y
BNL
1997-07-28
REL
REL
HEM
PROTOPORPHYRIN IX CONTAINING FE
MINIMIZED AVERAGE
40
1
NOESY WATERGATE
TOCSY
COSY
7
313
K
TORSION ANGLE MOLECULAR DYNAMICS SIMULATED ANNEALING, RESTRAINED ENERGY MINIMIZATION
WUTHRICH
refinement
DIANA
structure solution
DYANA
structure solution
Amber
800
Bruker
AVANCE 800 MHZ
600
Bruker
AMX 600 MHZ
HEM
63
2
HEM
A
HEM
95
A
n
1
1
A
n
2
2
A
n
3
3
A
n
4
4
A
LYS
5
n
5
LYS
5
A
TYR
6
n
6
TYR
6
A
TYR
7
n
7
TYR
7
A
THR
8
n
8
THR
8
A
LEU
9
n
9
LEU
9
A
GLU
10
n
10
GLU
10
A
GLU
11
n
11
GLU
11
A
ILE
12
n
12
ILE
12
A
GLN
13
n
13
GLN
13
A
LYS
14
n
14
LYS
14
A
HIS
15
n
15
HIS
15
A
LYS
16
n
16
LYS
16
A
ASP
17
n
17
ASP
17
A
SER
18
n
18
SER
18
A
LYS
19
n
19
LYS
19
A
SER
20
n
20
SER
20
A
THR
21
n
21
THR
21
A
TRP
22
n
22
TRP
22
A
VAL
23
n
23
VAL
23
A
ILE
24
n
24
ILE
24
A
LEU
25
n
25
LEU
25
A
HIS
26
n
26
HIS
26
A
HIS
27
n
27
HIS
27
A
LYS
28
n
28
LYS
28
A
VAL
29
n
29
VAL
29
A
TYR
30
n
30
TYR
30
A
ASP
31
n
31
ASP
31
A
LEU
32
n
32
LEU
32
A
THR
33
n
33
THR
33
A
LYS
34
n
34
LYS
34
A
PHE
35
n
35
PHE
35
A
LEU
36
n
36
LEU
36
A
GLU
37
n
37
GLU
37
A
GLU
38
n
38
GLU
38
A
HIS
39
n
39
HIS
39
A
PRO
40
n
40
PRO
40
A
GLY
41
n
41
GLY
41
A
GLY
42
n
42
GLY
42
A
GLU
43
n
43
GLU
43
A
GLU
44
n
44
GLU
44
A
VAL
45
n
45
VAL
45
A
LEU
46
n
46
LEU
46
A
ARG
47
n
47
ARG
47
A
GLU
48
n
48
GLU
48
A
GLN
49
n
49
GLN
49
A
ALA
50
n
50
ALA
50
A
GLY
51
n
51
GLY
51
A
GLY
52
n
52
GLY
52
A
ASP
53
n
53
ASP
53
A
ALA
54
n
54
ALA
54
A
THR
55
n
55
THR
55
A
GLU
56
n
56
GLU
56
A
ASN
57
n
57
ASN
57
A
PHE
58
n
58
PHE
58
A
GLU
59
n
59
GLU
59
A
ASP
60
n
60
ASP
60
A
VAL
61
n
61
VAL
61
A
GLY
62
n
62
GLY
62
A
HIS
63
n
63
HIS
63
A
SER
64
n
64
SER
64
A
THR
65
n
65
THR
65
A
ASP
66
n
66
ASP
66
A
ALA
67
n
67
ALA
67
A
ARG
68
n
68
ARG
68
A
GLU
69
n
69
GLU
69
A
LEU
70
n
70
LEU
70
A
SER
71
n
71
SER
71
A
LYS
72
n
72
LYS
72
A
THR
73
n
73
THR
73
A
TYR
74
n
74
TYR
74
A
ILE
75
n
75
ILE
75
A
ILE
76
n
76
ILE
76
A
GLY
77
n
77
GLY
77
A
GLU
78
n
78
GLU
78
A
LEU
79
n
79
LEU
79
A
HIS
80
n
80
HIS
80
A
PRO
81
n
81
PRO
81
A
ASP
82
n
82
ASP
82
A
ASP
83
n
83
ASP
83
A
ARG
84
n
84
ARG
84
A
SER
85
n
85
SER
85
A
LYS
86
n
86
LYS
86
A
ILE
87
n
87
ILE
87
A
ALA
88
n
88
ALA
88
A
n
89
89
A
n
90
90
A
n
91
91
A
n
92
92
A
n
93
93
A
n
94
94
A
author_defined_assembly
1
monomeric
A
HIS
39
A
NE2
HIS
39
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
A
HEM
95
B
NA
HEM
1_555
93.4
A
HIS
39
A
NE2
HIS
39
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
A
HEM
95
B
NB
HEM
1_555
91.3
A
A
HEM
95
B
NA
HEM
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
A
HEM
95
B
NB
HEM
1_555
89.5
A
HIS
39
A
NE2
HIS
39
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
A
HEM
95
B
NC
HEM
1_555
85.6
A
A
HEM
95
B
NA
HEM
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
A
HEM
95
B
NC
HEM
1_555
178.9
A
A
HEM
95
B
NB
HEM
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
A
HEM
95
B
NC
HEM
1_555
90.9
A
HIS
39
A
NE2
HIS
39
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
A
HEM
95
B
ND
HEM
1_555
89.2
A
A
HEM
95
B
NA
HEM
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
A
HEM
95
B
ND
HEM
1_555
88.9
A
A
HEM
95
B
NB
HEM
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
A
HEM
95
B
ND
HEM
1_555
178.3
A
A
HEM
95
B
NC
HEM
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
A
HEM
95
B
ND
HEM
1_555
90.7
A
HIS
39
A
NE2
HIS
39
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
63
1_555
171.7
A
A
HEM
95
B
NA
HEM
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
63
1_555
94.1
A
A
HEM
95
B
NB
HEM
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
63
1_555
92.2
A
A
HEM
95
B
NC
HEM
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
63
1_555
86.8
A
A
HEM
95
B
ND
HEM
1_555
A
A
HEM
95
B
FE
HEM
1_555
A
HIS
63
A
NE2
HIS
63
1_555
87.5
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
A
O
VAL
23
A
O
VAL
23
A
N
TYR
30
A
N
TYR
30
1
A
ASP
1
A
ASP
1
1
Y
1
A
LYS
2
A
LYS
2
1
Y
1
A
ASP
3
A
ASP
3
1
Y
1
A
VAL
4
A
VAL
4
1
Y
1
A
LYS
89
A
LYS
89
1
Y
1
A
PRO
90
A
PRO
90
1
Y
1
A
SER
91
A
SER
91
1
Y
1
A
GLU
92
A
GLU
92
1
Y
1
A
THR
93
A
THR
93
1
Y
1
A
LEU
94
A
LEU
94
1
Y
1
A
SER
18
78.79
94.89
1
A
LYS
19
76.97
-8.53
1
A
THR
33
-64.93
57.30
1
A
LYS
34
-174.23
-51.10
1
A
GLU
44
-29.04
-65.11
1
A
THR
55
-17.53
-59.89
1
A
PHE
58
-74.93
-71.87
1
A
TYR
74
-80.25
-83.86
1
A
ILE
75
55.32
97.03
1
A
GLU
78
-103.75
-84.57
1
A
LEU
79
169.17
162.00
1
A
ASP
82
-150.68
-53.14
model building
DYANA
refinement
AMBER
refinement
DYANA
SOLUTION STRUCTURE OF REDUCED MICROSOMAL RAT CYTOCHROME B5, NMR, MINIMIZED AVERAGE STRUCTURE
1
Y
N
2
N
N
A
THR
8
A
THR
8
HELX_P
A
HIS
15
A
HIS
15
1
1
8
A
THR
33
A
THR
33
HELX_P
A
GLU
38
A
GLU
38
5
2
6
A
GLY
42
A
GLY
42
HELX_P
A
GLU
48
A
GLU
48
1
3
7
A
ALA
54
A
ALA
54
HELX_P
A
ASP
60
A
ASP
60
1
4
7
A
SER
64
A
SER
64
HELX_P
A
ILE
75
A
ILE
75
1
5
12
A
ASP
82
A
ASP
82
HELX_P
A
LYS
86
A
LYS
86
1
6
5
metalc
2.010
A
A
HIS
39
A
NE2
HIS
39
1_555
A
HEM
95
B
FE
HEM
1_555
metalc
2.016
A
A
HIS
63
A
NE2
HIS
63
1_555
A
HEM
95
B
FE
HEM
1_555
ELECTRON TRANSPORT
CYTOCHROME B5, PROTEIN RECOGNITION, SOLUTION STRUCTURES, SECONDARY STRUCTURES, ELECTRON TRANSPORT
CYB5_RAT
UNP
1
1
P00173
AEQSDKDVKYYTLEEIQKHKDSKSTWVILHHKVYDLTKFLEEHPGGEEVLREQAGGDATENFEDVGHSTDARELSKTYII
GELHPDDRSKIAKPSETLITTVESNSSWWTNWVIPAISALVVALMYRLYMAED
5
98
1AQA
1
94
P00173
A
1
1
94
2
anti-parallel
A
TRP
22
A
TRP
22
A
ILE
24
A
ILE
24
A
VAL
29
A
VAL
29
A
ASP
31
A
ASP
31
Unknown
2
BINDING SITE FOR RESIDUE HEM A 95A
A
HEM
A
95
Software
9
A
HIS
39
A
HIS
39
2
1_555
A
HEM
95
B
HEM
A
2
1_555
A
PHE
35
A
PHE
35
9
1_555
A
HIS
39
A
HIS
39
9
1_555
A
VAL
45
A
VAL
45
9
1_555
A
LEU
46
A
LEU
46
9
1_555
A
ASN
57
A
ASN
57
9
1_555
A
VAL
61
A
VAL
61
9
1_555
A
HIS
63
A
HIS
63
9
1_555
A
ALA
67
A
ALA
67
9
1_555
A
LEU
70
A
LEU
70
9
1_555
1
P 1